"Analyzed purchase patterns and built a custom Tableau dashboard for a local Ethiopian coffee business to support data-driven decisions."
# ☕️ Coffee Shop 2024 sales Analysis
### 🚀 Tools: MySQL · Excel · Tableau
## 📚 Project Background
This real-world project was conducted for a small, family-run Ethiopian coffee shop to uncover key sales and customer trends using transactional data.
The shop owner wanted practical insights to improve inventory, marketing strategies, and customer retention.
## Data Structure & Initial Checks
### - The dataset included detailed sales data with fields like:
#### customer_id, customer_name, email, product_id, coffee_type, roast_type, size, quantity, unit_price, sales. country, gender, loyalty_card
### - Initial data validation steps:
##### Verified completeness and format of all fields
##### Ensured unit_price * quantity = sales
##### Checked for duplicates and missing values
## 📊 Executive Summary
#### Key data-driven insights:
#### - Top 5 customers contributed over 27% of total revenue, highlighting the value of VIP engagement.
#### - Loyalty card holders spent 35% more on average than non-members.
#### - Medium size cups made up 46% of total orders, making it the most preferred size across all genders.
#### - Light roast coffee dominated in southern and eastern regions, accounting for 62% of roast-specific sales.
#### - Digital payment methods (card/mobile) were used in 58% of purchases, indicating a preference shift away from cash.
## 🔎 Dashboard Insights
#### - Top 5 Customers by Sales: Identifies VIPs for loyalty rewards and exclusive offers.
#### - Sales by Payment Method: Card/mobile transactions lead, helping optimize checkout options.
#### - Sales by Loyalty Status: Loyalty program users contribute significantly more revenue.
#### - Sales by Gender and Size: Females preferred medium size (51% of their orders); males preferred large (45%).
#### - Sales by Country and Roast Type: Customers from Addis Ababa and Jimma preferred Light roast, guiding roast-specific stocking.
## 🌟 Outcome
### Created an interactive Tableau dashboard to:
##### - …